Remove dart2jslib.dart

pkg/compiler/lib/src/common.dart

Index: pkg/compiler/lib/src/common.dart
diff --git a/pkg/compiler/lib/src/common.dart b/pkg/compiler/lib/src/common.dart
index 5b64c017bb52fec9e170e9cd70e465a5866b2599..b997eda1d5ffe65fda6a8660a7fcba158b2e56cf 100644
--- a/pkg/compiler/lib/src/common.dart
+++ b/pkg/compiler/lib/src/common.dart
@@ -4,17 +4,19 @@
 
 library dart2js.common;
 
+
+export 'common/tasks.dart' show
+    CompilerTask;
+
+export 'compiler.dart' show
+    Compiler;
+
 export 'constants/values.dart' show
     ConstantValue,
     InterceptorConstantValue,
     NullConstantValue,
     TypeConstantValue;
 
-export 'dart2jslib.dart' show
-    CompilerTask,
-    Compiler,
-    invariant;
-
 export 'dart_types.dart' show
     DartType,
     FunctionType,
@@ -22,6 +24,12 @@ export 'dart_types.dart' show
     TypeVariableType,
     Types;
 
+export 'diagnostics/invariant.dart' show
+    invariant;
+
+export 'diagnostics/spannable.dart' show
+    SpannableAssertionFailure;
+
 export 'elements/elements.dart' show
     ClassElement,
     ClosureFieldElement,
@@ -51,5 +59,4 @@ export 'universe/universe.dart' show
     SelectorKind;
 
 export 'util/util.dart' show
-    Link,
-    SpannableAssertionFailure;
+    Link;